server { root /web; listen 80 default_server; listen [::]:80 default_server; include /etc/nginx/conf.d/server_name.active; if ( $request_uri ~* "%0A|%0D" ) { return 403; } location ^~ /.well-known/acme-challenge/ { allow all; default_type "text/plain"; } location / { return 301 https://$host$uri$is_args$args; } }